<template>
	<view class="goods-detail-container">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
			<swiper-item v-for="(item,index) in goods_info.pics" :key="index">
				<image :src="item.pics_big" @click="preview(index)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">
				${{goods_info.goods_price}}
			</view>
			<!-- 商品主体 -->
			<view class="goods-info-body">
				<!-- 商品名字 -->
				<view class="goods-name">
					{{goods_info.goods_name}}
				</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">
				快递:免运费
			</view>
		</view>
		
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<!-- 商品导航 -->
		<view class="goods_nav">
			<uni-goods-nav :fill="true" :options="options" :button-group="customButtonGroup" @click="onClick"
							@buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import { mapState, mapMutations, mapGetters} from "vuex"
	export default {
		computed:{
			...mapState('m_cart',[]),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			total:{
				immediate:true,
				handler(newVal){
					const findResult = this.options.find(x=>x.text==='购物车')
					if(findResult){
						findResult.info=newVal
					}
				}
			}
		},
		data() {
			return {
				goods_info:{},
				options: [{
							icon: 'headphones',
							text: '客服'
						}, {
							icon: 'shop',
							text: '店铺',
							info: 2,
							infoBackgroundColor:'#007aff',
							infoColor:"red"
						}, {
							icon: 'cart',
							text: '购物车',
							info: 0
						}],
				buttonGroup: [{
					      text: '加入购物车',
					      backgroundColor: '#ff0000',
					      color: '#fff'
					    },
					    {
					      text: '立即购买',
					      backgroundColor: '#ffa200',
					      color: '#fff'
					    }
					    ]
			};
		},
		onLoad(option) {
			const goods_id = option.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods:{
			...mapMutations('m_cart',['addToCart']),
			onClick(e){
				if(e.content.text==="购物车"){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buttonClick(e){
				if(e.content.text==="加入购物车"){
					//组织商品的信息对象
					//{goods_id, goods_name, goods_price,goods_count goods_small_logo, goods_state}
					const goods={
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
					}
					//调用addToCart方法
					this.addToCart(goods)
				}
			},
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x => x.pics_big)
				})
			},
			getGoodsDetail(goods_id){
				var that = this
				uni.request({
					url:'https://www.uinav.com/api/public/v1/goods/detail?goods_id='+goods_id,
					method:'GET',
					success({data:res}) {
						res.message.goods_introduce=res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ')
						console.log(res.message);
						that.goods_info=res.message
						uni.showToast({
							title:'请求成功'
						})
					},
					fail() {
						uni.showToast({
							title:'请求失败'
						})
					}
					
				})
			}
		}
		
	}
</script>

<style lang="scss">
swiper{
	height: 750rpx;
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	padding: 10px;
	padding-right: 0px;
	.price{
		color: #C00000;
		font-size: 18px;
		margin: 10px 0;
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		
		.goods-name{
			font-size: 13px;
			margin-right: 10px;
		}
		.favi{
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
		}
	}
	.yf{
		font-size: 12px;
		color: gray;
		margin: 10px 0;
	}
}

.goods_nav{
	position: fixed;
	bottom: 0%;
	left: 0%;
	width: 100%;
}
.goods-detail-container{
	padding-bottom: 50px;
}
</style>
